Revert "discartar mudança"

This reverts commit cdf34b8dc3dd77ee772b92b8dbe542d58f81ab5b, reversing
changes made to a6c0cf8e812898629b3505916d401b1384ddd697.
Revert 063afcd..9267435

This rolls back to commit 063afcd12aa40021a3cbe4473f0c6a66652fc0b8.